Shoe upper



FIG. 1 is a left side view of a shoe upper, showing our new design;

FIG. 2 is a right, front and top perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a top view thereof.

The broken line showing of the shoe sole and other features in the Figures is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a shoe upper, as shown and described. 